{"product_id":"n-044-512-5-genuine-vw-audi-exhaust-manifold-stud-m8x30","title":"N-044-512-5 Genuine VW\/Audi Exhaust Manifold Stud M8x30","description":"\u003ch2\u003eOriginal stud for the manifold-to-downpipe connection\u003c\/h2\u003e\u003cp\u003eThe N-044-512-5 Genuine VW\/Audi exhaust manifold stud provides the threaded fastening point used to secure the downpipe at the original manifold connection. Exhaust components operate through repeated heating and cooling cycles, and sound hardware is necessary to clamp the adjoining flange with the correct gasket and fastening arrangement.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal number:\u003c\/strong\u003e N-044-512-5 \/ N0445125.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M8 nominal thread diameter and 30 mm specified stud length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e threaded stud for the original exhaust manifold\/downpipe attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e one stud per item ordered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e nut, exhaust gasket, manifold, downpipe and other exhaust hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch the original number and fastening position. Another M8 stud may have a different length or thread arrangement and may not provide the intended engagement at the manifold and nut. The original archive photographs show the supplied stud; the listing does not substitute a generic hardware specification for the factory part number.\u003c\/p\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroken stud:\u003c\/strong\u003e corrosion or a seized nut can cause a stud to fracture during disassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamaged nut-end threads:\u003c\/strong\u003e rounded, stripped or cross-threaded threads can prevent the nut from seating and tightening correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamaged manifold-end threads:\u003c\/strong\u003e a stud that cannot engage the mounting thread correctly needs replacement and inspection of the receiving thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMissing or incorrect hardware:\u003c\/strong\u003e an earlier exhaust repair may leave a flange with an unsuitable stud or an incomplete fastening set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold or downpipe service:\u003c\/strong\u003e inspect the studs when the original flange connection is opened and replace any hardware that is damaged or requires renewal under the repair procedure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA ticking noise or exhaust leak requires inspection of the complete joint. A new stud cannot correct a distorted flange, failed gasket, cracked manifold or damaged mounting thread. Address those faults before assembling the connection.\u003c\/p\u003e\u003ch3\u003eFitment data sheet\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eModel years\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eApplication restrictions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi S4\u003c\/td\u003e\n\u003ctd\u003e2004–2005\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eB6 Sedan \/ Avant; quattro; 2005 B6 body only; No separate transmission restriction for the confirmed exhaust attachment\u003c\/td\u003e\n\u003ctd\u003eOriginal downpipe-to-exhaust-manifold stud positions specifying N-044-512-5. Confirm the original manifold and flange; not a universal replacement for all exhaust studs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi S4\u003c\/td\u003e\n\u003ctd\u003e2004–2006\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eB6 Cabriolet; quattro; No separate transmission restriction for the confirmed exhaust attachment\u003c\/td\u003e\n\u003ctd\u003eOriginal downpipe-to-exhaust-manifold stud positions specifying N-044-512-5. Confirm the original manifold and flange; not a universal replacement for all exhaust studs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi S4\u003c\/td\u003e\n\u003ctd\u003e2005–2008\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eB7 Sedan \/ Avant; quattro; 2005 B7 body only; No separate transmission restriction for the confirmed exhaust attachment\u003c\/td\u003e\n\u003ctd\u003eOriginal downpipe-to-exhaust-manifold stud positions specifying N-044-512-5. Confirm the original manifold and flange; not a universal replacement for all exhaust studs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi S4\u003c\/td\u003e\n\u003ctd\u003e2007–2009\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eB7 Cabriolet; quattro; No separate transmission restriction for the confirmed exhaust attachment\u003c\/td\u003e\n\u003ctd\u003eOriginal downpipe-to-exhaust-manifold stud positions specifying N-044-512-5. Confirm the original manifold and flange; not a universal replacement for all exhaust studs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi RS4\u003c\/td\u003e\n\u003ctd\u003e2007–2008\u003c\/td\u003e\n\u003ctd\u003e4.2L FSI V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eB7 Sedan; quattro; No separate transmission restriction for the confirmed exhaust attachment\u003c\/td\u003e\n\u003ctd\u003eOriginal downpipe-to-exhaust-manifold stud positions specifying N-044-512-5. Confirm the original manifold and flange; not a universal replacement for all exhaust studs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi RS4\u003c\/td\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003ctd\u003e4.2L FSI V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eB7 Cabriolet; quattro; No separate transmission restriction for the confirmed exhaust attachment\u003c\/td\u003e\n\u003ctd\u003eOriginal downpipe-to-exhaust-manifold stud positions specifying N-044-512-5. Confirm the original manifold and flange; not a universal replacement for all exhaust studs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Touareg\u003c\/td\u003e\n\u003ctd\u003e2004–2006\u003c\/td\u003e\n\u003ctd\u003e4.2L gasoline V8; port injection\u003c\/td\u003e\n\u003ctd\u003e7L SUV; V8; 4Motion; 6-speed automatic\u003c\/td\u003e\n\u003ctd\u003eLeft or right exhaust-manifold stud at diagram position 5 specifying N0445125. Match the original manifold connection; excludes 3.2L, 3.6L and 5.0L TDI hardware.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Touareg\u003c\/td\u003e\n\u003ctd\u003e2007–2008\u003c\/td\u003e\n\u003ctd\u003e4.2L gasoline V8; verify original port-injected \/ FSI configuration\u003c\/td\u003e\n\u003ctd\u003e7L SUV; V8; 4Motion; 6-speed automatic\u003c\/td\u003e\n\u003ctd\u003eLeft or right exhaust-manifold stud at diagram position 5 specifying N0445125. Match the original manifold connection; excludes 3.2L, 3.6L and 5.0L TDI hardware.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation and ordering guidance\u003c\/h3\u003e\u003cp\u003eConfirm the vehicle identification number, engine and original manifold\/downpipe diagram before ordering. Count the studs required at the serviced connection and order the correct quantity. The nuts and gasket are separate service items.\u003c\/p\u003e\u003cp\u003eRemove damaged hardware using the method appropriate to the manifold material and the condition of the joint. Inspect the receiving thread, flange and nut before installing the replacement stud. Follow the factory specification for stud seating, thread preparation and nut tightening; do not infer a torque or installation depth from nominal diameter alone. Use the correct tightening sequence to seat the exhaust connection evenly, and check the completed joint for leakage after repair.\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48014364508337,"sku":"N-044-512-5","price":4.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-044-512-5-genuine-vw-audi-1.jpg?v=1791600787","url":"https:\/\/hstuning.com\/products\/n-044-512-5-genuine-vw-audi-exhaust-manifold-stud-m8x30","provider":"HS Tuning ","version":"1.0","type":"link"}